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Arthur J. Gallagher & Co.

AJG
Exchange
NYSE
Industry
Insurance Agents, Brokers & Service
SEC CIK
0000354190

In the last 90 days, Arthur J. Gallagher & Co. insiders filed 0 open-market purchases and 4 sales; 1,295 institutions reported holding it in 13F filings for Q2 2026, worth $54.7B in total; no superinvestor holds it.

13F holders, Q2 2026

Institutional positions in Arthur J. Gallagher & Co. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
1,295
+58 vs. Q1 2026
Shares held
238.5M
+10.9M (+4.8%) vs. Q1 2026
Total value
$54.7B
+$5.48B (+11.1%) vs. Q1 2026
New holders
164
464 more added
Sold out
106
483 more reduced

11 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting AJG on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2026: 1,295 institutions
Q1 2021: 732 institutionsQ2 2021: 779 institutionsQ3 2021: 775 institutionsQ4 2021: 854 institutionsQ1 2022: 817 institutionsQ2 2022: 823 institutionsQ3 2022: 865 institutionsQ4 2022: 921 institutionsQ1 2023: 951 institutionsQ2 2023: 976 institutionsQ3 2023: 999 institutionsQ4 2023: 1,082 institutionsQ1 2024: 1,130 institutionsQ2 2024: 1,153 institutionsQ3 2024: 1,203 institutionsQ4 2024: 1,325 institutionsQ1 2025: 1,360 institutionsQ2 2025: 1,380 institutionsQ3 2025: 1,342 institutionsQ4 2025: 1,299 institutionsQ1 2026: 1,248 institutionsQ2 2026: 1,295 institutions
Value heldQ2 2026: $54.7B
Q1 2021: $20.6BQ2 2021: $24.6BQ3 2021: $26.3BQ4 2021: $30.1BQ1 2022: $31.0BQ2 2022: $29.1BQ3 2022: $31.2BQ4 2022: $34.1BQ1 2023: $34.7BQ2 2023: $39.9BQ3 2023: $42.3BQ4 2023: $41.9BQ1 2024: $46.5BQ2 2024: $49.1BQ3 2024: $52.8BQ4 2024: $65.9BQ1 2025: $79.0BQ2 2025: $72.9BQ3 2025: $69.7BQ4 2025: $60.6BQ1 2026: $49.7BQ2 2026: $54.7B
Institutions holding AJG and their total value by quarter
QuarterHoldersValue
Q2 20261,295$54.7B
Q1 20261,248$49.7B
Q4 20251,299$60.6B
Q3 20251,342$69.7B
Q2 20251,380$72.9B
Q1 20251,360$79.0B
Q4 20241,325$65.9B
Q3 20241,203$52.8B
Q2 20241,153$49.1B
Q1 20241,130$46.5B
Q4 20231,082$41.9B
Q3 2023999$42.3B
Q2 2023976$39.9B
Q1 2023951$34.7B
Q4 2022921$34.1B
Q3 2022865$31.2B
Q2 2022823$29.1B
Q1 2022817$31.0B
Q4 2021854$30.1B
Q3 2021775$26.3B
Q2 2021779$24.6B
Q1 2021732$20.6B

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding Arthur J. Gallagher & Co.; share changes are against Q1 2026.

Institutions holding AJG in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Mosaic Family Wealth Partners, LLC1,287$295.5K0.02%+1,287New
NewEdge Wealth, LLC1,286$295.2K0.00%−498−27.9%Reduced
AdvisorNet Financial, Inc1,274$292.5K0.01%−83−6.1%Reduced
Crestwood Advisors Group LLC1,264$290.1K0.00%+319+33.8%Added
Master's Wealth Management Inc.1,257$288.7K0.09%−739−37.0%Reduced
Gateway Wealth Partners, LLC1,254$287.8K0.02%−277−18.1%Reduced
Transamerica Financial Advisors, Inc.1,251$287.3K0.02%−142−10.2%Reduced
Reynders McVeigh Capital Management, LLC1,250$287.0K0.01%−1−0.1%Reduced
Penobscot Investment Management Company, Inc.1,250$287.0K0.02%−1,235−49.7%Reduced
Expressive Wealth LLC1,241$284.9K0.27%+1,241New
Successful Portfolios LLC1,113$282.1K0.13%00.0%Unchanged
Roble, Belko & Company, Inc1,229$282.0K0.03%−202−14.1%Reduced
Fukoku Mutual Life Insurance Co1,225$281.2K0.02%00.0%Unchanged
Center for Financial Planning, Inc.1,223$280.8K0.03%00.0%Unchanged
Strategic Blueprint, LLC1,222$280.5K0.01%−132−9.7%Reduced
CIBC World Markets Inc.1,218$279.6K0.00%−4,927−80.2%Reduced
ICW Investment Advisors LLC1,217$279.4K0.10%+117+10.6%Added
Natural Investments, LLC1,216$279.0K0.06%+260+27.2%Added
Souders Financial Advisors1,212$278.3K0.03%+71+6.2%Added
Pure Financial Advisors, Inc.1,207$277.0K0.00%+1,207New
Perennial Investment Advisors, LLC1,207$276.9K0.02%+1,207New
NTV Asset Management LLC1,205$276.6K0.03%+280+30.3%Added
Spinnaker Trust1,201$275.7K0.01%+6+0.5%Added
Angeles Wealth Management, LLC1,200$275.5K0.01%+30+2.6%Added
HMS Capital Management, LLC1,197$274.7K0.10%+1+0.1%Added
Steel Peak Wealth Management LLC1,193$273.9K0.01%−433−26.6%Reduced
Hoxton Planning & Management, LLC1,190$273.2K0.07%−16−1.3%Reduced
San Luis Wealth Advisors LLC1,190$273.2K0.04%+19+1.6%Added
Principle Wealth Partners LLC1,189$273.0K0.01%00.0%Unchanged
Tucker Asset Management LLC1,188$272.7K0.07%−133−10.1%Reduced
Howe & Rusling Inc1,186$272.4K0.02%−68−5.4%Reduced
Red Door Wealth Management, LLC1,186$272.3K0.02%+1,186New
Wilkins Investment Counsel Inc1,185$272.0K0.04%00.0%Unchanged
KCM Investment Advisors LLC1,182$271.4K0.01%−155−11.6%Reduced
Quadcap Wealth Management, LLC1,169$268.4K0.03%+15+1.3%Added
Oregon Pacific Wealth Management, LLC1,163$267.0K0.25%+1,163New
Los Angeles Capital Management LLC1,152$264.5K0.00%00.0%Unchanged
Resolute Capital, LLC1,149$263.8K0.09%+4+0.3%Added
Brighton Jones LLC1,149$263.8K0.00%+142+14.1%Added
Close Asset Management Ltd1,136$261.0K0.01%−100−8.1%Reduced
Hunter Perkins Capital Management, LLC1,139$261.0K0.06%−35−3.0%Reduced
Wrenne Financial Planning LLC1,128$259.0K0.09%−27−2.3%Reduced
E Fund Management Co., Ltd.1,127$258.7K0.01%+135+13.6%Added
Sowell Financial Services LLC1,119$256.8K0.01%−14−1.2%Reduced
Syntegra Private Wealth Group, LLC1,117$256.4K0.02%00.0%Unchanged
Tiaa-Cref Individual & Institutional Services, LLC1,115$256.0K0.00%−593−34.7%Reduced
Armistice Capital, LLC1,113$255.5K0.01%+1,113New
Trust Co of Virginia1,113$255.5K0.02%−100−8.2%Reduced
Carnegie Capital Asset Management, LLC1,111$255.1K0.01%−60−5.1%Reduced
Excalibur Management Corp1,109$254.7K0.08%00.0%Unchanged
Fulton Breakefield Broenniman LLC1,102$253.0K0.01%−118−9.7%Reduced
Foundations Investment Advisors, LLC1,101$252.8K0.00%−138−11.1%Reduced
MidFirst Bank1,098$252.1K0.02%00.0%Unchanged
Beacon Investment Advisors LLC1,091$250.5K0.08%+27+2.5%Added
PDS Planning, Inc1,086$249.3K0.01%+1,086New
Diversified Trust Co1,086$249.3K0.00%+1,086New
Boothbay Fund Management, LLC1,084$248.9K0.00%+1,084New
J. Safra Sarasin Holding AG1,146$248.2K0.00%00.0%Unchanged
Corundum Group, Inc.1,079$247.7K0.07%−26−2.4%Reduced
Larson Financial Group LLC1,079$247.7K0.01%+674+166.4%Added
Cahaba Wealth Management, Inc.1,076$247.1K0.01%−56−4.9%Reduced
First Citizens Bank & Trust Co1,075$246.8K0.00%−395−26.9%Reduced
Koshinski Asset Management, Inc.1,074$246.6K0.01%−50−4.4%Reduced
Simmons Bank1,071$245.9K0.01%−134−11.1%Reduced
Insigneo Advisory Services, LLC1,071$245.9K0.01%+1,071New
Kingsview Wealth Management, LLC1,066$244.8K0.00%−41−3.7%Reduced
Red Spruce Capital, LLC1,050$241.0K0.08%00.0%Unchanged
Texas Bank & Trust Co1,050$241.0K0.08%00.0%Unchanged
Cherry Creek Investment Advisors, Inc.1,050$241.0K0.09%00.0%Unchanged
Caldwell Trust Co1,044$239.7K0.02%−478−31.4%Reduced
Ignite Planners, LLC1,041$239.0K0.03%+63+6.4%Added
Defiance ETFs, LLC995$238.5K0.00%+995New
First Business Financial Services, Inc.1,037$238.1K0.02%00.0%Unchanged
Fielder Capital Group LLC1,031$236.6K0.05%+1,031New
Alpha Family Trust1,025$235.3K0.09%00.0%Unchanged
KLCM Advisors, Inc.1,022$234.7K0.02%00.0%Unchanged
Capital Advisors Inc1,016$233.2K0.00%−2−0.2%Reduced
Verdence Capital Advisors LLC1,011$232.2K0.01%−29−2.8%Reduced
Anchor Capital Advisors LLC1,011$232.1K0.01%00.0%Unchanged
Csenge Advisory Group1,010$231.8K0.01%+11+1.1%Added
Somerset Trust Co1,005$230.7K0.07%−57−5.4%Reduced
Consolidated Capital Management, LLC1,005$230.7K0.06%00.0%Unchanged
Great Valley Advisor Group, Inc.1,003$230.2K0.00%−236−19.0%Reduced
Aviance Capital Partners, LLC1,000$229.6K0.02%−500−33.3%Reduced
RBF Capital, LLC1,000$229.6K0.01%00.0%Unchanged
Trinity Financial Advisors LLC1,000$229.6K0.06%00.0%Unchanged
RFP Financial Group LLC1,000$229.6K0.10%00.0%Unchanged
Venator Management LLC1,000$229.6K0.05%+1,000New
Stronghold Wealth Management L.L.C.993$228.0K0.31%+15+1.5%Added
Foster Victor Wealth Advisors, LLC897$227.7K0.01%−74−7.6%Reduced
Grove Bank & Trust991$227.5K0.02%00.0%Unchanged
Congress Asset Management Co984$225.9K0.00%−1,190−54.7%Reduced
City Holding Co982$225.4K0.03%−40−3.9%Reduced
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management981$225.2K0.00%−3−0.3%Reduced
Change Path, LLC981$225.1K0.00%−547−35.8%Reduced
National Asset Management, Inc.989$224.7K0.01%−351−26.2%Reduced
Alta Advisers Ltd978$224.5K0.05%00.0%Unchanged
Catalyst Investment Management LLC975$223.8K0.20%00.0%Unchanged
Carret Asset Management, LLC975$223.8K0.02%00.0%Unchanged
Triad Wealth Partners, LLC901$223.3K0.01%+901New